[ARC5] Military bolts

[Robert Rode]

now British use metric system,...

On Wed, Nov 19, 2014 at 8:43 AM, Robert Rode <midnitetoaker58 at gmail.com>
wrote:

> Floyd, just FYI,...british bolts, altho they used same thread pitch as us,
> use 55 degree angle on threads, we use 60 degree angle,..I learned this
> with my British Triumph Motorcycle long ago,. bolts wud shake loose on me
> often,..this turned out to be a problem I wasnt aware of, when I worked for
> International Harvester,.. old timer told me many contracted parts for  war
> effort British equipment had BIG problems with this, and were shipped befor
> any one knew,..I saw one of those mini tanks in the hanger long time ago
> befor I was grounded for blood pressure,..another story,..see ya,
> Robert/Chicago..
>